Atomic Calculations
Flashcard
•
Science
•
9th - 10th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a subatomic particle with a negative charge?
Back
Electron: A negatively charged particle found in the electron cloud surrounding the nucleus of an atom.
2.
FLASHCARD QUESTION
Front
Where is most of the mass in an atom located?
Back
In the nucleus: The nucleus contains protons and neutrons, which account for most of the atom's mass.
3.
FLASHCARD QUESTION
Front
How many electrons does Fe 2- have?
Back
28: Iron (Fe) has 26 protons, and with a 2- charge, it has 28 electrons.
4.
FLASHCARD QUESTION
Front
What is the center of an atom called?
Back
Nucleus: The nucleus is the central part of an atom, containing protons and neutrons.
5.
FLASHCARD QUESTION
Front
How many neutrons does Carbon-14 have?
Back
8: Carbon-14 has 6 protons and 8 neutrons (14 - 6 = 8).
6.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
Positive: Protons carry a positive charge.
7.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
Neutral: Neutrons have no charge.
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